Tissue Healing After Cyst Removal Surgery - Dermatology

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Tissue repair after cyst excision?


I recently had surgery to remove a sebaceous cyst located at the tail of my eyebrow.
It has been a week since the stitches were removed, but the skin where the cyst was removed is still raised and uneven.
Is this due to the healing process, or is there another reason? Thank you.

Lanlan, 20~29 year old female. Ask Date: 2020/07/21

Dr. Wu Yuxin reply Dermatology


It is possible for the scar to not have matured yet after just one week.

Reply Date: 2020/07/21

More Info


After undergoing cyst removal surgery, particularly in a delicate area like the eyebrow, it is common to have concerns about the healing process and the appearance of the skin post-operation. The healing of tissue after surgery involves several stages, and understanding these can help alleviate some of your worries.

1. Stages of Healing: The healing process typically consists of three main phases: inflammation, proliferation, and remodeling.
- Inflammation: This phase begins immediately after surgery and can last for several days. It is characterized by redness, swelling, and tenderness around the surgical site as the body works to prevent infection and start the healing process.

- Proliferation: This phase occurs a few days to weeks after surgery, where new tissue forms. Fibroblasts (cells that synthesize collagen) and endothelial cells (which form new blood vessels) play a crucial role in this phase. You may notice that the area starts to fill in, but it can still appear uneven or raised.

- Remodeling: This final phase can last for months to even years. The new tissue matures and strengthens, and the appearance of the scar can change significantly during this time.
2. Why the Skin May Appear Raised: The raised appearance of the skin where the cyst was removed could be due to several factors:
- Scar Tissue Formation: After surgery, the body produces collagen to repair the area, which can lead to a raised scar or keloid, especially in areas with more tension or movement.

- Fluid Accumulation: Sometimes, fluid can accumulate under the skin, causing a bump. This is known as a seroma and may resolve on its own.

- Inflammation: The area may still be inflamed, which can contribute to a raised appearance.
3. Timeframe for Healing: While you mentioned that it has been a week since the stitches were removed, it is important to remember that complete healing can take time. The initial healing phase can take a few weeks, but the remodeling phase can take much longer. It is not uncommon for the skin to remain uneven or raised for several weeks to months after surgery.

4. What to Do:
- Follow-Up: If you have concerns about the healing process or if the area seems excessively raised or painful, it is advisable to follow up with your surgeon or dermatologist. They can assess the area and determine if any treatment is necessary.

- Scar Management: Once the area has healed sufficiently, you might consider treatments for scar management, such as silicone gel sheets, pressure therapy, or topical treatments that can help flatten and improve the appearance of scars.

5. When to Seek Help: If you notice any signs of infection (increased redness, warmth, pus, or fever), or if the raised area continues to grow or becomes painful, it is crucial to seek medical advice promptly.

In summary, the raised appearance of the skin after cyst removal is often a normal part of the healing process. It is essential to be patient and allow your body time to heal. If you have any concerns or if the area does not improve over time, do not hesitate to consult your healthcare provider for further evaluation and guidance.

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